Intake Manifold Lower Section Component Overview

Intake Manifold Lower Section Component Overview





1 Intake Manifold Lower Section

• Removing and installing, refer to => [ Intake Manifold Lower Section with Fuel Rail ] Intake Manifold Lower Section With Fuel Rail.

• After installation, adapt both intake manifold runner position sensors in operating mode Guided Fault-Finding in "Adapting intake manifold runner position sensor".

2 Fuel Rail

3 Fuel Pressure Sensor (G247)

4 High-Pressure Lines

CAUTION!
• Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure. Refer to => [ Before Opening High Pressure Fuel Injection System ] Service and Repair.

• Then wrap a clean rag around the connection and relieve residual pressure by carefully loosening the connection.

• Do not change bend shape

• Tighten high-pressure lines => [ To fasten high-pressure line (14 mm) on
fuel rail, use with. ] Intake Manifold Lower Section With Fuel Rail.

5 10 Nm

6 Sleeve

7 10 Nm

8 2.5 Nm

9 10 Nm

10 Retaining Bracket for Fuel Rail

11 Vacuum Actuator for Intake Manifold Runner Control

12 Vacuum Hose

• To Intake Manifold Runner Control Valve (N316)

13 2.5 Nm

14 Intake Manifold Runner Position Sensor

• Left Intake Manifold Runner Position Sensor 2 ( G512), right Intake Manifold Runner Position Sensor (G336)

15 2.5 Nm

16 Seal

• Replace if damaged

• Lift out with screwdriver to replace

• Press in by hand

17 Seal

• Replace if damaged

• Lift out with screwdriver to replace

• Press in by hand

18 Seals

• Replace

19 Support Ring

• Make sure it is seated properly

• The fuel rail wields force via the support ring to hold the fuel injector tightly in the cylinder head.

20 O-Ring

• Replace

• Coat with clean engine oil

21 Spacer Ring

• Replace if damaged

22 Radial Adjustment

• Replace if damaged

• Clip with support ring - 19 -

23 Combustion Chamber Seal

• Replacing, refer to => [ Fuel Injectors ] Service and Repair.

24 Fuel Injector

Removing and installing, refer to => [ Fuel Injectors ] Service and Repair.